diff --git a/Checkpoints/Checkpoint3.ipynb b/Checkpoints/Checkpoint3.ipynb
index 300674872b73d07d2b2b2027bfda52d64f490598..ec8b5f51503081c4c4175833d9ffb877424297dd 100644
--- a/Checkpoints/Checkpoint3.ipynb
+++ b/Checkpoints/Checkpoint3.ipynb
@@ -70,10 +70,10 @@
     "\n",
     "### Checkpoint\n",
     "\n",
-    "- Test your program using the following input paramters:\n",
-    "    - $\\gamma=0.5\\ \\quad\\&\\quad \\omega_0=1.0\\quad$ for an under damped condition.  \n",
-    "    - $\\gamma=2.0\\ \\quad\\&\\quad \\omega_0=1.0\\quad$ for a critically damped condition.  \n",
-    "    - $\\gamma=20.0\\! \\quad\\&\\quad \\omega_0=1.0\\quad$ for an over damped condition.  \n",
+    "- Test your program using the following input parameters:\n",
+    "    - Case 1: $\\gamma=0.5\\ \\quad\\&\\quad \\omega_0=1.0\\quad$ for an under damped condition.  \n",
+    "    - Case 2: $\\gamma=2.0\\ \\quad\\&\\quad \\omega_0=1.0\\quad$ for a critically damped condition.  \n",
+    "    - Case 3: $\\gamma=20.0\\! \\quad\\&\\quad \\omega_0=1.0\\quad$ for an over damped condition.  \n",
     "- To obtain a smooth plot you need to calculate the above expression for at least 200 evenly spaced values of t.\n",
     "- Call a demonstrator, show them your code and run your program with the three sets of inputs above and any additional ones requested by the demonstrator.\n",
     "\n",